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4s entered test mode on its own, while i connected it to usb with empty battery

There were many interesting screens, including some with colors and geometric shapes. Why did this happen, was there some kind of error? And how can i enter test mode on my own to check the watch and the sensors if needed?

0 ASKERFAKA over 5 years ago

Touching buttons in specific sequence:) ist diagnostic menu

0 Theo F. over 5 years ago in reply to ASKERFAKA

What is the sequence?

0 jim_m_58 over 5 years ago in reply to Theo F.

Swipe through the screens (maybe a button press is needed) and you'll get to a screen where you can exit diagnostics

Getting into diagnostics involves something like pressing a button or both and or the screen when you apply powers.

0 Theo F. over 5 years ago in reply to jim_m_58

Are you aware of the exact sequence and timing of the buttons presses?

0 7206575 over 4 years ago in reply to Theo F.

hold top button and tap screen twice

0 Theo F. over 4 years ago in reply to 7206575

At what point, do i do the above? I mean usb connected-not connected? Etc.